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Cryogenic storage dewar. A cryogenic storage dewar (or simply dewar) is a specialised type of vacuum flask used for storing cryogens (such as liquid nitrogen or liquid helium ), whose boiling points are much lower than room temperature. It is named after inventor James Dewar, who developed it for his own work.
Liquid nitrogen has a boiling point of about −196 °C (−321 °F; 77 K). It is produced industrially by fractional distillation of liquid air. It is a colorless, mobile liquid whose viscosity is about one-tenth that of acetone (i.e. roughly one-thirtieth that of water at room temperature ). Liquid nitrogen is widely used as a coolant .
Cryogenics. Nitrogen is a liquid under −195.8 °C (77.3 K). This is a diagram of an infrared space telescope, that needs a cold mirror and instruments. One instrument needs to be even colder, and it has a cryocooler. The instrument is in region 1 and its cryocooler is in region 3 in a warmer region of the spacecraft (see MIRI (Mid-Infrared ...
A refrigerated transport Dewar is a refrigerated transport vessel with an insulated Dewar flask ( vacuum) design to carry cryogenic liquid. To prevent pressure build-up they are equipped with safety relief valves and/or rupture discs. The liquid can be withdrawn as a gas by passing liquid through an internal vaporizer or as a liquid under its ...
June 18, 2024 at 3:06 AM. (Reuters) - AstraZeneca said on Tuesday its breast cancer drug, Truqap, in combination with chemotherapy agent, paclitaxel, did not meet its main goals in a late-stage ...
A former FBI employee who raised questions about the January 6, 2021, attack on the US Capitol had his security clearance reinstated and was awarded 27 months of backpay after being suspended ...
The unraveling of fintech upstart Synapse is rippling through a small corner of the banking world, leaving thousands of customers without access to their money and a mystery about millions of ...
Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System. At standard temperature and pressure, two atoms of the element bond to form N 2, a colorless and odorless diatomic gas.
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